NFSv4.1: Get rid of pNFS spin lock debugging asserts...

These are all in static declared functions that are called only once.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

fs/nfs/pnfs.c

@@ -859,7 +859,6 @@ pnfs_layout_insert_lseg(struct pnfs_layout_hdr *lo,
 
 	dprintk("%s:Begin\n", __func__);
 
-	assert_spin_locked(&lo->plh_inode->i_lock);
 	list_for_each_entry(lp, &lo->plh_segs, pls_list) {
 		if (cmp_layout(&lseg->pls_range, &lp->pls_range) > 0)
 			continue;
@@ -913,7 +912,6 @@ pnfs_find_alloc_layout(struct inode *ino,
 
 	dprintk("%s Begin ino=%p layout=%p\n", __func__, ino, nfsi->layout);
 
-	assert_spin_locked(&ino->i_lock);
 	if (nfsi->layout) {
 		if (test_bit(NFS_LAYOUT_DESTROYED, &nfsi->layout->plh_flags))
 			return NULL;
@@ -970,7 +968,6 @@ pnfs_find_lseg(struct pnfs_layout_hdr *lo,
 
 	dprintk("%s:Begin\n", __func__);
 
-	assert_spin_locked(&lo->plh_inode->i_lock);
 	list_for_each_entry(lseg, &lo->plh_segs, pls_list) {
 		if (test_bit(NFS_LSEG_VALID, &lseg->pls_flags) &&
 		    is_matching_lseg(&lseg->pls_range, range)) {